<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>设置元素的左内边距</title>
</head>

<style>
    div{
        padding-left: 80px;
    }
</style>

<div>这个 div 元素的左内边距是 80px。</div>
</html>